1162775540 has 24 divisors (see below), whose sum is σ = 2483218080. Its totient is φ = 457226528.

The previous prime is 1162775531. The next prime is 1162775567. The reversal of 1162775540 is 455772611.

It is a junction number, because it is equal to n+sod(n) for n = 1162775494 and 1162775503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491522 + ... + 493881.

It is an arithmetic number, because the mean of its divisors is an integer number (103467420).

Almost surely, 2^1162775540 is an apocalyptic number.

1162775540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1162775540 is an abundant number, since it is smaller than the sum of its proper divisors (1320442540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1162775540 is a wasteful number, since it uses less digits than its factorization.

1162775540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985471 (or 985469 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 38.

The square root of 1162775540 is about 34099.4947176641. The cubic root of 1162775540 is about 1051.5549267360.

The spelling of 1162775540 in words is "one billion, one hundred sixty-two million, seven hundred seventy-five thousand, five hundred forty".